A bit of cleaning

init.lua

@@ -257,4 +257,4 @@ end
 --i3.files.tests.tabs()
 --i3.files.tests.operators()
 --i3.files.tests.compression()
---i3.files.tests.custom_recipes(http)
+--i3.files.tests.custom_recipes()

src/api.lua

@@ -1,5 +1,5 @@
-local make_fs = i3.files.gui()
 local http = ...
+local make_fs = i3.files.gui()
 
 IMPORT("gmatch", "split")
 IMPORT("S", "err", "fmt", "reg_items")
@@ -22,7 +22,7 @@ end
 function i3.register_craft(def)
 	local width, c = 0, 0
 
-	if true_str(def.url) then
+	if http and true_str(def.url) then
 		http.fetch({url = def.url}, function(result)
 			if result.succeeded then
 				local t = core.parse_json(result.data)
@@ -51,7 +51,7 @@ function i3.register_craft(def)
 		def.result = nil
 	end
 
-	if not true_str(def.output) then
+	if not true_str(def.output) and not def.url then
 		return err "i3.register_craft: output missing"
 	end
 
@@ -69,9 +69,7 @@ function i3.register_craft(def)
 		end
 
 		local cp = copy(def.grid)
-		sort(cp, function(a, b)
-			return #a > #b
-		end)
+		sort(cp, function(a, b) return #a > #b end)
 
 		width = #cp[1]
 
@@ -86,26 +84,29 @@ function i3.register_craft(def)
 			def.items[c] = def.key[symbol]
 		end
 	else
-		local items, len = def.items, #def.items
+		local items = copy(def.items)
+		local lines = {}
 		def.items = {}
 
-		for i = 1, len do
-			local rlen = #split(items[i], ",")
+		for i = 1, #items do
+			lines[i] = split(items[i], ",", true)
 
-			if rlen > width then
-				width = rlen
+			if #lines[i] > width then
+				width = #lines[i]
 			end
 		end
 
-		for i = 1, len do
-			while #split(items[i], ",") < width do
-				items[i] = fmt("%s,", items[i])
+		for i = 1, #items do
+			while #lines[i] < width do
+				insert(lines[i], items[i])
 			end
 		end
 
-		for name in gmatch(concat(items, ","), "[%s%w_:]+") do
+		for _, line in ipairs(lines) do
+			for _, v in ipairs(line) do
 				c++
-			def.items[c] = clean_name(name)
+				def.items[c] = clean_name(v)
+			end
 		end
 	end
 

src/gui.lua

@@ -234,14 +234,14 @@ local function get_isometric_view(fs, pos, X, Y, t, cubes, depth, high)
 	local width = 8
 	local base_height = 4
 	local base_depth = depth == -1
-	local max_depth = -10
+	local max_depth = -7
 	local height = base_depth and (base_height - 1) or depth
 
 	local pos1 = vec_new(pos.x - width, pos.y + depth, pos.z - width)
 	local pos2 = vec_new(pos.x + width, pos.y + height, pos.z + width)
 
 	local vm = VoxelManip(pos1, pos2)
-	local emin, emax = vm:read_from_map(pos1, pos2)
+	local emin, emax = vm:get_emerged_area()
 	local area = VoxelArea:new{MinEdge = emin, MaxEdge = emax}
 	local data = vm:get_data()
 
@@ -276,8 +276,9 @@ local function get_isometric_view(fs, pos, X, Y, t, cubes, depth, high)
 	if cubes < maxc and depth > max_depth then
 		-- if there's not enough map to preview, go deeper
 		depth -= 1
-		get_isometric_view(fs, pos, X, Y, t, cubes, depth, high)
-	else
+		return get_isometric_view(fs, pos, X, Y, t, cubes, depth, high)
+	end
+
 	local shift = -0.3 - high
 
 	for i = max_depth, 0 do
@@ -294,7 +295,6 @@ local function get_isometric_view(fs, pos, X, Y, t, cubes, depth, high)
 
 	shift += (base_depth and 0.45 or 0.95)
 	fs("image", 2.7, Y + shift, 0.3, 0.3, PNG.flag)
-	end
 end
 
 local function get_waypoint_fs(fs, data, player, yextra, ctn_len)
@@ -1093,8 +1093,7 @@ local function get_model_fs(fs, data, def, model_alias)
 					hex = "0" .. hex
 				end
 
-				_name = fmt("%s^[multiply:%s", v.name,
-					fmt("#%s%s", sub(hex, 3), sub(hex, 1, 2)))
+				_name = fmt("%s^[multiply:%s", v.name, fmt("#%s%s", sub(hex, 3), sub(hex, 1, 2)))
 			else
 				_name = fmt("%s^[multiply:%s", v.name, v.color)
 			end
@@ -1201,7 +1200,7 @@ local function get_export_fs(fs, data, is_recipe, is_usage, max_stacks_rcp, max_
 		fmt("craft_%s", name), ES("Craft (×@1)", stack_fs))
 end
 
-local function get_rcp_extra(fs, player, data, panel, is_recipe, is_usage)
+local function get_rcp_extra(fs, data, player, panel, is_recipe, is_usage)
 	fs"container[0,0.075]"
 	local rn = panel.rcp and #panel.rcp
 
@@ -1270,7 +1269,7 @@ local function hide_items(player, data)
 	end
 end
 
-local function get_items_fs(fs, player, data, full_height)
+local function get_items_fs(fs, data, player, full_height)
 	hide_items(player, data)
 
 	local items = data.alt_items or data.items or {}
@@ -1278,6 +1277,8 @@ local function get_items_fs(fs, player, data, full_height)
 	local ipp = rows * lines
 	local size = 0.85
 
+	fs("bg9", data.inv_width + 0.1, 0, 7.9, full_height, PNG.bg_full, 10)
+
 	fs(fmt("box[%f,0.2;4.05,0.6;#bababa25]", data.inv_width + 0.3),
 	   "set_focus[filter]",
 	   fmt("field[%f,0.2;2.95,0.6;filter;;%s]", data.inv_width + 0.35, ESC(data.filter)),
@@ -1363,43 +1364,23 @@ local function get_favs(fs, data)
 	end
 end
 
-local function get_panels(fs, player, data, full_height)
-	local _title   = {name = "title", height = 1.4}
-	local _favs    = {name = "favs",  height = 2.23}
-	local _items   = {name = "items", height = full_height}
-	local _recipes = {name = "recipes", rcp = data.recipes, height = 4.045}
-	local _usages  = {name = "usages",  rcp = data.usages,  height = 4.045}
-	local panels
-
-	if data.query_item then
-		panels = {_title, _recipes, _usages, _favs}
-	else
-		panels = {_items}
-	end
-
-	for idx = 1, #panels do
-		local panel = panels[idx]
+local function get_panels(fs, data, player)
+	local title   = {name = "title", height = 1.4, func = get_header}
+	local favs    = {name = "favs", height = 2.23, func = get_favs}
+	local recipes = {name = "recipes", rcp = data.recipes, height = 4.045, func = get_rcp_extra}
+	local usages  = {name = "usages", rcp = data.usages, height = 4.045, func = get_rcp_extra}
+	local panels  = {title, recipes, usages, favs}
 	data.yoffset  = 0
 
-		if idx > 1 then
-			for _idx = idx - 1, 1, -1 do
-				data.yoffset = data.yoffset + panels[_idx].height + 0.1
-			end
+	for i, panel in ipairs(panels) do
+		if i > 1 then
+			data.yoffset += panels[i - 1].height + 0.1
 		end
 
 		fs("bg9", data.inv_width + 0.1, data.yoffset, 7.9, panel.height, PNG.bg_full, 10)
 
 		local is_recipe, is_usage = panel.name == "recipes", panel.name == "usages"
-
-		if is_recipe or is_usage then
-			get_rcp_extra(fs, player, data, panel, is_recipe, is_usage)
-		elseif panel.name == "items" then
-			get_items_fs(fs, player, data, full_height)
-		elseif panel.name == "title" then
-			get_header(fs, data)
-		elseif panel.name == "favs" then
-			get_favs(fs, data)
-		end
+		panel.func(fs, data, player, panel, is_recipe, is_usage)
 	end
 end
 
@@ -1504,7 +1485,11 @@ local function make_fs(player, data)
 		tab.formspec(player, data, fs)
 	end
 
-	get_panels(fs, player, data, full_height)
+	if data.query_item then
+		get_panels(fs, data, player)
+	else
+		get_items_fs(fs, data, player, full_height)
+	end
 
 	if #i3.tabs > 1 then
 		get_tabs_fs(fs, player, data, full_height)

src/hud.lua

@@ -34,7 +34,7 @@ local function init_hud(player)
 		},
 	}
 
-	if not i3.legacy_inventory then
+	if not i3.settings.legacy_inventory then
 		core.after(0, function()
 			player:hud_set_hotbar_itemcount(i3.settings.hotbar_len)
 			player:hud_set_hotbar_image"i3_hotbar.png"

tests/test_custom_recipes.lua

@@ -38,6 +38,24 @@ i3.register_craft({
 	items = {"default:copper_ingot 7, default:tin_ingot, default:steel_ingot 2"},
 })
 
+i3.register_craft {
+	result = "default:tree",
+	items = {
+		"default:wood",
+		"",
+		"default:wood"
+	},
+}
+
+i3.register_craft {
+	result = "default:cobble 16",
+	items = {
+		"default:stone, default:stone",
+		"default:stone,              , default:stone",
+		", default:stone, default:stone",
+	}
+}
+
 i3.register_craft({
 	grid = {
 		"X",
@@ -311,22 +329,3 @@ i3.register_craft({
 	},
 	result = "default:mese 3",
 })
-
-i3.register_craft({
-	grid = {
-		"X  #",
-		" ## ",
-		"X#X#",
-		"#X#X#",
-		"X  X##X#X",
-		" ## ",
-		"#X#X#",
-		"#X#X#",
-		"X  #",
-	},
-	key = {
-		['#'] = "default:wood",
-		['X'] = "default:glass",
-	},
-	result = "default:mese 3",
-})